A federal proposal moving through Congress could stall Michigan's booming rooftop solar industry by ending key tax credits that have fueled clean energy growth, nationwide.What is being called the "One Big Beautiful Bill Act" would eliminate the 30% credit for rooftop solar and other home energy systems, including those leased by companies.Michigan leads the nation in Inflation Reduction Act-funded projects, attracting more than $27 billion in investment and creating more than 26,000 jobs.Allan O'Shea, founder and CEO of 50-year-old CBS Solar in Copemish, said about 90% of his family-owned business is residential rooftop solar.